import Vue from 'vue'
import Router from 'vue-router'
import Layout from '@/layout'

Vue.use(Router)

// 基础静态路由
export const constantRoutes = [
  {
    path: '/login',
    component: () => import('@/views/login/index'),
    hidden: true
  },
  {
    path: '/404',
    component: () => import('@/views/404'),
    hidden: true
  },
  {
    path: '/',
    component: Layout,
    redirect: '/dashboard',
    children: [
      {
        path: 'dashboard',
        name: 'Dashboard',
        component: () => import('@/views/dashboard/index'),
        meta: { title: 'Dashboard', icon: 'dashboard' }
      }
    ]
  }
]

// 需要动态加载的路由
export const asyncRoutes = [
  {
    path: '/example',
    component: Layout,
    redirect: '/example/table',
    name: 'Example',
    meta: { title: 'Example', icon: 'el-icon-s-help' },
    children: [
      {
        path: 'table',
        name: 'Table',
        component: () => import('@/views/table/index'),
        meta: { title: 'Table', icon: 'table' }
      },
      {
        path: 'tree',
        name: 'Tree',
        component: () => import('@/views/tree/index'),
        meta: { title: 'Tree', icon: 'tree' }
      }
    ]
  },
  {
    path: '/form',
    component: Layout,
    children: [
      {
        path: 'index',
        name: 'Form',
        component: () => import('@/views/form/index'),
        meta: { title: 'Form', icon: 'form' }
      }
    ]
  },
  {
    path: '/permission',
    component: Layout,
    redirect: '/permission/page',
    alwaysShow: true,
    name: 'Permission',
    meta: { title: 'Permission', icon: 'lock', roles: ['admin'] },
    children: [
      {
        path: 'page',
        component: () => import('@/views/permission/page'),
        name: 'PagePermission',
        meta: { title: 'AccountManagement', roles: ['admin'] }
      }
    ]
  },
  { path: '*', redirect: '/404', hidden: true }
]

const createRouter = () =>
  new Router({
    scrollBehavior: () => ({ y: 0 }),
    routes: constantRoutes
  })

const router = createRouter()

// 重置路由
export function resetRouter() {
  const newRouter = createRouter()
  router.matcher = newRouter.matcher
}

export default router
